Home / 219,396.16-329,106.45-61,612.25

Finding the Fourth Proportional to 219,396.16, 329,106.45 and 61,612.25

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Solution

The fourth proportional to 219,396.16, 329,106.45 and 61,612.25 is: 92,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,396.16 : 329,106.45 = 61,612.25 : x
  2. Step 2: Convert to fraction form
    219,396.16/329,106.45 = 61,612.25/x
  3. Step 3: Cross multiply
    219,396.16x = 329,106.45 × 61,612.25
  4. Step 4: Simplify right side
    219,396.16x = 20,276,988,874.01
  5. Step 5: Solve for x
    x = 20,276,988,874.01/219,396.16
  6. Step 6: Final answer
    x = 92,421.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.